A cough is the body's natural way of clearing the airways,158 but persistent or severe coughing can indicate an underlying issue.
There are different types of coughs, from dry and tickly to wet and mucus-filled, each with distinct causes. Coughs can be caused by viral infections. Rest, keeping hydrated and over-the counter medication should help.158
A wet cough produces mucus (phlegm) and is often caused by viral and bacterial infections. Staying hydrated, using a humidifier, and taking over-the-counter cough expectorants and decongestants can bring relief.159
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